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Kunshan Zhonggu Precision Hardware Co., Ltd.

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HomeProductsNutsSquare NutsHigh Quality Blue White Zinc Square Nuts
  • High Quality Blue White Zinc Square Nuts
  • High Quality Blue White Zinc Square Nuts
  • High Quality Blue White Zinc Square Nuts
  • High Quality Blue White Zinc Square Nuts
  • High Quality Blue White Zinc Square Nuts

High Quality Blue White Zinc Square Nuts

    Payment Type: L/C,T/T,D/P,Paypal
    Min. Order: 1000 Piece/Pieces
    Delivery Time: 20 Days

Basic Info

Material: Stainless Steel

Type: Square Head

Head Style: Square

Standard: DIN

Additional Info

Packaging: Product bulk in plastic,bagCartion box,Wood pallet

Brand: ZG

Transportation: Ocean,Land,Air


Supply Ability: 50Ton/MONTH

Certificate: ISO CE SGS

HS Code: 731815

Port: Shanghai,Ningbo

Product Description

Sifang mother, hardware equipment, fastening accessories. It has a square shape with internal threads and can be used with Bolts. Also known as a square nut,Mostly used in construction, building materials, home improvement, industrial and mining, transportation, power and Other industries. Sifang mother is a nut type hardware product, with small size, different specifications and large demand.


Thread specification
M5 M6 M8 M10 M10 M12 M12 M16
P Pitch 0.8 1 1.25 1.5 1.5 1.75 1.75 2
e Max 11.3 14.1 18.4 22.6 24 25.4 26.9 33.9
Min 9.93 12.53 16.34 20.24 21.54 22.84 24.02 30.11
m Max=Nominal 4 5 6.5 8 8 10 10 l3
Min 3.52 4.52 5.92 7.42 7.42 9.42 9.42 12.3
s Max=Nominal 8 10 13 16 17 18 19 24
Min 7.64 9.64 12.57 15.57 16.57 17.57 18.48 23.16
Thousand pieces (steel) ≈ kg 1.31 2.77 5.5 10.7 13 16.3 19.1 38.2

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nutSquare Nut Square Nut



Main Products

Testing Laboratory

testing laboratory

We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing.

Production Process

production process

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First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately.

The second, we adopt blasting procession, removing Oxidation surface, make the surface to be bright and clean and uniform and beautiful.

Company Information


Kunshan Zhonggu Precision Hardware Co., Ltd founded in 2006, is a set design, development, production, sale as a whole, professional production and operation of various types of industrial fasteners.
Company provides: National standard(GB), British standard(BS), German standard(DIN), American standard (ANSI) IFI), Japanese standard(JIS), International standard(ISO) and other standard fasteners, also can be made according to the requirement of customers.
The company product sales areas: mainland China/Europe/America/Japan/southeast Asia region.
The company's quality management system: ISO9001:2000 certification, ROHS certification, CE certification, etc.
The company's products usage: Automotive/Mould/Mechanical/Hydraulic/Wind Energy/PV/Elec-
tronic/Construction, etc.


Q:How can I get a quotation?

A:Kindly provide us your details request (item No, style, logo, size, material, surface treatment, quantity etc.) the more detailed the better, leave us an inquiry or email to us and we will response prompty!

Q:How to get a free sample?

A:We can provide our existing similar samples for free to check the style and quality!
For sample with your own logo or design, mold fee will be charged base on specification.

Q:What's the payment method?

A:We recommend you work with Alibaba Trade Assurance, it is very convenient. And T/T, PayPal, Western Union.… are all available.

Q:What's the process of order?

A:Sample:7-10 working days(Standard).
Bulk order.20-25 working days(Standard).

If you have any other questions, please feel free to contactus!

Looking for ideal M8 Square Nuts Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the M6 Square Nuts are quality guaranteed. We are China Origin Factory of M16 Square Nuts. If you have any question, please feel free to contact us.

Product Categories : Nuts > Square Nuts

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